Mark A. Kishlansky,ed., Sources of World History ,New York,Harper Collins,1995,pp. 298-302;http://www.historyguide.org/europe/churchill.html. zT+NHC0V/ACKKSg5RrAcYhKTlfo0DKtTOkB5C4hOyOS+xPewRqhzSQuWu2jmB/Qw